<template>
  <div class="sona">
    <h3>sona</h3>
    <button @click="send">发送数据</button>
  </div>
</template>

<script>
export default {
  methods: {
    //  触发方
    send () {
      this.$bus.$emit('atob', Date.now())
    }
  }
}
</script>

<style lang="scss" scoped>
.sona {
  width: 300px;
  height: 300px;
  border: 1px solid red;
}
</style>
